package com.KKB.web;

import com.KKB.bean.User;
import com.KKB.service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

@WebServlet(urlPatterns = "/login")
public class LoginServlet extends HttpServlet {
    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String username = req.getParameter("username");
        String password = req.getParameter("password");
        UserServiceImpl userService = new UserServiceImpl();
        User user = userService.login(username, password);
        if (user==null){
            resp.setContentType("text/html;charset=utf-8");
            PrintWriter writer = resp.getWriter();
            writer.println("<script>location.href='login.jsp';alert('用户名或密码不正确');</script>");
        }else {

            req.getSession().setAttribute("u1",user);
            resp.sendRedirect("index.jsp");
        }
    }
}
